class MachineNameTest

class MachineNameTest extends MigrateProcessTestCase {
    
    /**
     * The mock transliteration.
     *
     * @var \Drupal\Component\Transliteration\TransliterationInterface
     */
    protected $transliteration;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        $this->transliteration = $this->getMockBuilder('Drupal\\Component\\Transliteration\\TransliterationInterface')
            ->disableOriginalConstructor()
            ->getMock();
        $this->row = $this->getMockBuilder('Drupal\\migrate\\Row')
            ->disableOriginalConstructor()
            ->getMock();
        $this->migrateExecutable = $this->getMockBuilder('Drupal\\migrate\\MigrateExecutable')
            ->disableOriginalConstructor()
            ->getMock();
        parent::setUp();
    }
    
    /**
     * Tests machine name transformation of non-alphanumeric characters.
     *
     * @param string $human_name
     *   The human-readable name that will be converted in the test.
     * @param array $configuration
     *   The plugin configuration.
     * @param string $expected_result
     *   The expected result of the transformation.
     *
     * @dataProvider providerTestMachineNames
     */
    public function testMachineNames(string $human_name, array $configuration, string $expected_result) : void {
        // Test for calling transliterate on mock object.
        $this->transliteration
            ->expects($this->once())
            ->method('transliterate')
            ->with($human_name)
            ->willReturnCallback(function (string $string) : string {
            return str_replace([
                'á',
                'é',
                'ő',
            ], [
                'a',
                'e',
                'o',
            ], $string);
        });
        $plugin = new MachineName($configuration, 'machine_name', [], $this->transliteration);
        $value = $plugin->transform($human_name, $this->migrateExecutable, $this->row, 'destination_property');
        $this->assertEquals($expected_result, $value);
    }
    
    /**
     * Provides test cases for MachineNameTest::testMachineNames().
     *
     * @return array
     *   An array of test cases.
     */
    public static function providerTestMachineNames() : array {
        return [
            // Tests the following transformations:
            // - non-alphanumeric character (including spaces) -> underscore,
            // - Uppercase -> lowercase,
            // - Multiple consecutive underscore -> single underscore.
'default' => [
                'human_name' => 'foo2, the.bar;2*&the%baz!YEE____HaW áéő',
                'configuration' => [],
                'expected_result' => 'foo2_the_bar_2_the_baz_yee_haw_aeo',
            ],
            // Tests with a different pattern that allows periods.
'period_allowed' => [
                'human_name' => '2*&the%baz!YEE____HaW áéő.jpg',
                'configuration' => [
                    'replace_pattern' => '/[^a-z0-9_.]+/',
                ],
                'expected_result' => '2_the_baz_yee_haw_aeo.jpg',
            ],
        ];
    }
    
    /**
     * Tests that the replacement regular expression is a string.
     */
    public function testInvalidConfiguration() : void {
        $configuration['replace_pattern'] = 1;
        $this->expectException(MigrateException::class);
        $this->expectExceptionMessage('The replace pattern should be a string');
        new MachineName($configuration, 'machine_name', [], $this->transliteration);
    }

}